Beginner Challenges
Real-world scenarios at the beginner level. Earn verified credentials as you practice the work your degree prepares you for.
- StrategyBeginnerNew
IDE-Assisted Refactoring Bootcamp for a Junior Backend Team
Design a 5-day curriculum centered on 10 katas chosen for refactoring-pattern coverage (e.g., Gilded Rose for replace-conditional-with-polymorphism, Tennis kata for extract-meth…
- Refactoring
- Katas
- Ide Tooling
Refactoring and Code Smell Detection - AnalysisBeginnerNew
IFRS 15 Revenue Recognition for a Dubai D2C Cosmetics Startup
You are a junior accountant at Glow Naturals. The CFO needs a revenue recognition policy under IFRS 15 for three main product lines: (1) monthly subscription boxes with a free g…
- IFRS 15
- Revenue Recognition
- Contract Analysis
Open coursework - DesignBeginnerNew
Design a Trust-Calibration UI for a Domestic Assistive Robot
You will write the interaction patterns first (in a Notion brief), build a paper or Figma prototype, run 4 study sessions in week 2, iterate, and re-test in week 3. The interact…
- Trust Calibration
- Human Robot Interaction
- Interaction Design
Human-Robot Interaction - StrategyBeginnerNew
Integrating German and Japanese Team Cultures at a Mexico City Fintech
Your task is to analyze the cultural dimensions (e.g., Hofstede, Hall) affecting the German and Japanese teams, design a half-day workshop to build cultural intelligence, and pr…
- Cultural Analysis
- Intercultural Communication
- Workshop Design
Cross-Cultural Management Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- AnalysisBeginnerNew
Capital Budgeting for a Munich D2C Cosmetics Expansion
Your task is to build a discounted cash flow model comparing the two expansion strategies over a 5-year horizon. You must estimate initial investment, projected revenues, operat…
- Discounted Cash Flow
- Net Present Value
- Internal Rate Of Return
Open coursework - AnalysisBeginnerNew
Cash Flow Diagnosis for a Tokyo Direct-to-Consumer Skincare Startup
Working as a small team, use the two-year financial statements package (income statements and balance sheets for the financial years ending 2023 and 2024) and the founder contex…
- Cash Flow Analysis
- Ratio Analysis
- Financial Statement Interpretation
Open coursework - StrategyBeginnerNew
Align IT With Growth at a Direct-to-Consumer Cosmetics Startup
Using the company dossier, the operational friction log, and the strategic alignment model primer provided to you, assess how well GlowUp's current technology supports its busin…
- It Alignment
- Strategic Planning
- Business Process Analysis
Open coursework - StrategyBeginnerNew
Social Media Content Strategy for a Sustainable Cosmetics Brand
Audit the brand's current social presence (screenshots and analytics data provided). Research 3 successful competitors' social strategies. Develop: (1) Platform strategy — which…
- Digital Marketing
- Online Marketing
- Digital Business Models
Open coursework - Browse challenges
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Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- CodeBeginnerNew
Reduce Dimensionality on Sensor Streams for a Mid-Cap Robotics OEM
You receive 120 robot-hours of windowed sensor data (5s windows, 240 channels) with labels for normal vs. one of four fault classes. Implement (1) PCA, (2) kernel PCA with an RB…
- Dimensionality Reduction
- Kernel Methods
- Autoencoders
Machine Learning - PresentationBeginnerNew
Storytelling Visualization of an Autonomous Vehicle Test Campaign
You receive aggregated test results: 12,000 test runs across dry, wet, and snow conditions, with metrics for disengagement rate, near-miss count, and route-completion percentage…
- Data Storytelling
- Audience Adaptation
- Chart Design
Data Visualization - CodeBeginnerNew
Design a Domain Model for a Library Loan System (Java)
Implement, in Java 21, an Item type hierarchy (Book, AudioBook, Periodical, EquipmentLoan — each with sub-type-specific rules), Member with eligibility logic, Loan as an aggrega…
- Java
- Oo Design
- Domain Modeling
Object-Oriented Programming and Design - StrategyBeginnerNew
Nudge Strategy for a Bangalore D2C Cosmetics Brand
You are a behavioral economics consultant hired by Glow Naturals. Analyze their current checkout process (provided in a mockup) and identify cognitive biases causing friction. P…
- Nudge Design
- Choice Architecture
- A B Testing
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Why Ewance
- CodeBeginnerNew
Build a Functional Image-Filter Pipeline for a Photography SaaS
Design a Filter as a function from (pixel matrix → pixel matrix). Build a compose helper that takes a list of filters and returns a single composed filter (function composition)…
- Higher Order Functions
- Function Composition
- Abstraction
Open coursework - StrategyBeginnerNew
Risk-Based Test Strategy for a Telehealth Scheduling Release
Using the module inventory case-file, the risk-scoring template, and the team-and-runway brief, design and document a risk-based test strategy for the seven-module scheduling re…
- Risk Based Testing
- Test Strategy
- Test Planning
Open coursework - AnalysisBeginnerNew
Recommend a Payout Policy for a Mature Data Analytics Firm
Work only from the two items in the provided materials: the DataStream Inc. financial case file and the peer payout dataset. Using the case file, calculate the effect of each op…
- Dividend Policy
- Share Buyback Analysis
- Capital Structure
Open coursework - CodeBeginnerNew
Train a Word-Alignment Model for Low-Resource Catalan-Aranese
You receive a 35,000-sentence Catalan-Aranese parallel corpus plus a 1,200-pair manually annotated word-alignment test set. Train (1) a classic statistical alignment baseline (e…
- Alignment
- Neural Mt
- Low Resource Mt
Open coursework - DesignBeginnerNew
Smart Inventory System for Dubai Cosmetics
Your task is to design a smart inventory system for GlowDubai's warehouse. The system should use weight sensors on shelves and RFID tags on products to track inventory. Data mus…
- Iot Architecture
- Sensor Selection
- Communication Protocols
Open coursework - DesignBeginnerNew
Design an Offline-First Android Field-Survey App for Wildlife Rangers
Using only the four provided materials, design a native Android application in Kotlin (with Jetpack Compose for the interface) that targets the rangers' rugged handsets describe…
- Mobile Development
- Android Kotlin
- Sensors
Open coursework - AnalysisBeginnerNew
Reducing Turnover at a Dubai D2C Cosmetics Startup
Conduct a qualitative and quantitative analysis of turnover data (provided in a simulated dataset), including exit interview themes and engagement survey scores. Identify the to…
- Turnover Analysis
- Job Crafting
- Engagement Surveys
Open coursework - AnalysisBeginnerNew
Diagnose a Deadlock in a Multi-Threaded File Indexer
Clone the indexer repo (provided), set up reproduction with thread-sanitizer and helgrind, and produce a deterministic deadlock test case in under 5 minutes of runtime. Diagnose…
- Synchronization
- Deadlock Analysis
- C Programming
Operating Systems - StrategyBeginnerNew
Lead a Coordinated AI Feature Launch for an HR Software Startup
Using the company background brief and the draft feature specification provided, design a six-week launch plan covering four parallel workstreams: product readiness (acceptance …
- Product Launch
- Cross Functional Coordination
- Go To Market
Open coursework - AnalysisBeginnerNew
Optimizing Last-Mile Delivery for a Vienna D2C Cosmetics Brand
As a logistics consultant, you must analyze Glow Naturals' current delivery data (provided in a simulated dataset), identify bottlenecks, and propose an optimized last-mile stra…
- Last Mile Delivery
- Cost Benefit Analysis
- Route Optimization
Open coursework - CodeBeginnerNew
Compare MDP Solvers for a Smart-Grid Battery Dispatch Pilot
Model home-battery dispatch as a finite MDP: state is (state-of-charge, hour-of-day, current price tier), actions are charge/hold/discharge with realistic efficiency losses, tra…
- Markov Decision Processes
- Value Iteration
- Policy Iteration
Artificial Intelligence: Principles and Techniques - CodeBeginnerNew
Implement a Constraint Solver for a Lisbon Tourism Scheduler
Model the next-week schedule as a CSP: variables are (guide, day, slot) assignments; domains are available routes; constraints encode language requirements, max consecutive tour…
- Constraint Satisfaction
- Backtracking Search
- Python
Introduction to Artificial Intelligence
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From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
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